Dependable multi-grade heavy-duty diesel engine oil designed to offer reliable wear protection, effective deposit control, and consistent performance for naturally aspirated and turbocharged diesel engines.

SBK OPAL TX
SAE 20W-50Click thumbnails to alternate views.
Diesel Engine OPAL TX is a high-performance, heavy-duty multigrade diesel engine oil formulated with premium base oils and advanced additives to deliver excellent lubrication, protection, and engine cleanliness in both modern and older diesel engines operating under severe conditions. It meets API CH-4 specifications, making it suitable for high-speed, four-stroke engines, including those using high-sulfur fuel and equipped with EGR systems, while its 20W-50 viscosity ensures reliable cold starting and strong oil film protection at high temperatures, making it ideal for hot climates and heavy-duty applications.
| TEST PARAMETER | TEST METHOD | TYPICAL VALUE |
|---|---|---|
| Appearance | Visual | Clear and bright |
| KV @ 40°C | ASTM D445 | 128 |
| KV @ 100°C | ASTM D445 | 18 |
| Viscosity Index | ASTM D2270 | ≥ 120 |
| Density @ 15°C | ASTM D4052 | 0.884 |
| Flash Point | ASTM D92 | ≥ 220 |
| Pour Point | ASTM D97 | -27 |
| CCS @ -15°C | ASTM D5293 | 8800 |
| TBN | ASTM D2896 | 9.1 |
* Note: Typical value; may vary slightly. Please contact your SBK representative for the current batch COA (Certificate Of Analysis)
